Hello Pankaj, On 05/25/2016 04:33 AM, pankaj.dubey wrote: > Hi Javier, > > On Friday 29 April 2016 12:51 AM, Javier Martinez Canillas wrote: >> The MFC nodes with the memory regions reserved for memory allocations >> are missing in the Exynos5420 Peach Pit and Exynos5800 Peach Pi DTS. >> >> This causes the s5p-mfc driver probe to fail with the following error: >> >> [ 4.140647] s5p_mfc_alloc_memdevs:1072: Failed to declare coherent memory for MFC device >> [ 4.216163] s5p-mfc: probe of 11000000.codec failed with error -12 >> >> Add the missing nodes so the driver probes and the {en,de}coder video >> nodes are registered correctly: >> >> [ 4.096277] s5p-mfc 11000000.codec: decoder registered as /dev/video4 >> [ 4.102282] s5p-mfc 11000000.codec: encoder registered as /dev/video5 >> >> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> > > Just noticed that, current krzk/for-next failed to boot on Exynos5880 > based Chromebook device. Git bisect is showing culprit as this patch. Strange, krzk/for-next boots correctly on my Exynos5800 Peach Pi: $ git log --pretty=oneline --abbrev-commit HEAD 35e691cf5165 Merge branch 'fixes-v4.7' into for-next $ uname -r 4.6.0-00073-g35e691cf5165 > When I reverted this patch, its able to boot normally. > Is there any missing patches that we need to take on krzk/for-next to > boot on Chromebook. > No that I'm aware of. I wonder why it boots for me but fails for you. Can you please share your complete boot log to see if there are any hints there? > Thanks, > Pankaj Dubey > Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html